perf(compiler-sfc): only add character mapping if not whitespace

vuejs · May 7, 2020 · 2f69167 · 2f69167
1 parent 675330b
commit 2f69167
Showing 1 changed file with 13 additions and 11 deletions.
diff --git a/packages/compiler-sfc/src/parse.ts b/packages/compiler-sfc/src/parse.ts
@@ -258,17 +258,19 @@ function generateSourceMap(
  const originalLine = index + 1 + lineOffset
  const generatedLine = index + 1
  for (let i = 0; i < line.length; i++) {
- map.addMapping({
- source: filename,
- original: {
- line: originalLine,
- column: i
- },
- generated: {
- line: generatedLine,
- column: i
- }
- })
+ if (!/\s/.test(line[i])) {
+ map.addMapping({
+ source: filename,
+ original: {
+ line: originalLine,
+ column: i
+ },
+ generated: {
+ line: generatedLine,
+ column: i
+ }
+ })
+ }
  }
  }
  })